#!/usr/bin/env python
# -*- coding: utf-8 -*-
# @Time    : 2024/7/5 13:42
# @File    : view_test3.py
# @Description : -i http://pypi.tuna.tsinghua.edu.cn/simple/ --trusted-host pypi.tuna.tsinghua.edu.cn

#   pip install cefpython3
from cefpython3 import cefpython as cef
import tkinter as tk
import platform
WINDOWS = (platform.system() == "Windows")
LINUX = (platform.system() == "Linux")
MAC = (platform.system() == "Darwin")
# Fix for PyCharm hints warnings
WindowUtils = cef.WindowUtils()

cef.Initialize() #init
class Browser(tk.Frame):
    class LoadHandler(object):
        def __init__(self, browser):
            self.browser = browser
        def OnBeforePopup(self,target_url,**a):
            res = self.browser.NewWindow(target_url)
            if res == "break":
                return True
    class FocusHandler(object):
        "From cefpython3.example.tkinter_"
        def __init__(self, browser_frame):
            self.browser_frame = browser_frame
        def OnSetFocus(self, source, **_):
            return False
        def OnGotFocus(self, **_):
            """Fix CEF focus issues (#255). Call browser frame's focus_set
               to get rid of type cursor in url entry widget."""
            self.browser_frame.focus_set()
    def __init__(self,*a,url="",**b):
        super().__init__(*a,**b)
        #create browser
        window_info = cef.WindowInfo()
        rect = [0, 0, self.winfo_width(), self.winfo_height()]
        window_info.SetAsChild(self.get_window_handle(), rect)
        if not url:
            url="https://cn.bing.com/"
        self.browser = cef.CreateBrowserSync(window_info,url=url)
        assert self.browser
        self.browser.SetClientHandler(self.LoadHandler(self))
        self.browser.SetClientHandler(self.FocusHandler(self))
        #fit frame
        self.bind("<Configure>", self._configure)
    def _configure(self, event):
        res=self.event_generate("<<Configure>>")
        if res=="break":
            return
        width = event.width
        height = event.height
        if WINDOWS:
            WindowUtils.OnSize(self.winfo_id(), 0, 0, 0)
        elif LINUX:
            self.browser.SetBounds(0, 0, width, height)
        self.browser.NotifyMoveOrResizeStarted()
    def NewWindow(self,url):
        self.load(url)
        return "break"
    def loadurl(self,url):
        self.browser.StopLoad()
        self.browser.LoadUrl(url)
    def geturl(self):
        return self.browser.GetUrl()
    def reload(self):
        self.browser.Reload()
    def get_window_handle(self):
        "From cef"
        if self.winfo_id() > 0:
            return self.winfo_id()
        elif MAC:
            # On Mac window id is an invalid negative value (Issue #308).
            # This is kind of a dirty hack to get window handle using
            # PyObjC package. If you change structure of windows then you
            # need to do modifications here as well.
            # noinspection PyUnresolvedReferences
            from AppKit import NSApp
            # noinspection PyUnresolvedReferences
            import objc
            # Sometimes there is more than one window, when application
            # didn't close cleanly last time Python displays an NSAlert
            # window asking whether to Reopen that window.
            # noinspection PyUnresolvedReferences
            return objc.pyobjc_id(NSApp.windows()[-1].contentView())
        else:
            raise Exception("Couldn't obtain window handle")
def maincefloop(n=200):
    cef.MessageLoopWork()
    tk._default_root.after(n, maincefloop,n)
def bye():
    cef.Shutdown()
def test():
    def makenew(url):
        b = Browser(note,url=url)
        note.add(b,text=url.replace("https://","").replace("http://","").replace("blob://","")[:25])
        note.select(note.index("end")-1)
        b.NewWindow=lambda url:makenew(url) or "break"
    from tkinter import ttk
    root = tk.Tk()
    note = ttk.Notebook()
    note.pack(expand=1,fill="both")
    makenew("http://www.baidu.com/")
    root.title("cefweb.Browser")
    root.geometry("800x600")
    maincefloop()
    root.mainloop()
    bye()
if __name__ == "__main__":
    test()